90490280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2474

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 127237720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 2399, 3772, 4715, 4798, 7544, 9430, 9596, 11995, 18860, 19192, 23990, 37720, 47980, 55177, 95960, 98359, 110354, 196718, 220708, 275885, 393436, 441416, 491795, 551770, 786872, 983590, 1103540, 1967180, 2207080, 2262257, 3934360, 4524514, 9049028, 11311285, 18098056, 22622570, 45245140, 90490280]

約数ペア:

[(1, 90490280), (2, 45245140), (4, 22622570), (5, 18098056), (8, 11311285), (10, 9049028), (20, 4524514), (23, 3934360), (40, 2262257), (41, 2207080), (46, 1967180), (82, 1103540), (92, 983590), (115, 786872), (164, 551770), (184, 491795), (205, 441416), (230, 393436), (328, 275885), (410, 220708), (460, 196718), (820, 110354), (920, 98359), (943, 95960), (1640, 55177), (1886, 47980), (2399, 37720), (3772, 23990), (4715, 19192), (4798, 18860), (7544, 11995), (9430, 9596)]